@bananamilkshake,
Fault doesn't exist here, just cause and effect.
As an example, I wonder what would have happened if you had called him, rather than texted. Would the outcome have been different to what it is now?
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In any event - how things were handled...
Certainly it would be hurtful if, having done nothing other than not seeing texts, I got yelled at and blamed by a love one - for not seeing the texts...
...just as it would be hurtful, after a major emotional upset, my loved one could not understand, and started attacking me with sarcasm.
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Is there blame there? No. Just personal responsibility for poor handling of things - on both sides.
If, when things go wrong, we take time to step back and ask ourselves 'why is this person that loves me attacking me'....and we take the time to truly try and understand why...usually we can arrive at a conclusion that helps resolve the conflict.
Hope it helps.
.